#19021: collectstatic should only copy files if they have changed or don't
exist in
destination
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Reporter: dloewenherz | Owner: dloewenherz
Type: New feature | Status: reopened
Component: Uncategorized | Version: 1.4
Severity: Normal | Resolution:
Keywords: | Triage Stage: Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by dloewenherz):
Alright--I'm being educated here...I missed a bunch of things, but there
are still a couple of problems. I noted them in an email to the developers
list.
The heuristic is not file name. Last modified time is the heuristic, but
some backends don't have a reliable implementation of it (or don't support
it at all) and therefore this feature doesn't work for those backends.
Additionally, in any sort of source control, when a user updates their
repo, local files that were updated remotely show up as modified at the
time the repo is cloned or updated, not when the file was actually last
saved by the last author. You then have the same scenario I pointed to
earlier: when multiple people work on a project, they will re-upload the
same files multiple times.
For the reasons noted above, I would propose moving towards checksums and
away from last modified times to check if a file has been modified.
--
Ticket URL: <https://code.djangoproject.com/ticket/19021#comment:6>
Django <https://code.djangoproject.com/>
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